Ten iconic fights in five years. Remembering boxing's golden age through the lens of four heavyweight kings: Muhammad Ali, George Foreman, Ken Norton and Joe Frazier.

In 1988, for the taping of a film called Champions Forever, five former heavyweight title holders--Ali, Frazier, Foreman, Larry Holmes and Ken Norton--gathered in Las Vegas.

In an interview with RetroBoxingLive, legendary trainer Emanuel Steward, who coached the likes to Thomas Hearns, Lennox Lewis ...

Following the first loss of his career, Ali won 12 of his next 13 bouts, getting upset when he suffered a broken jaw against Ken Norton in March 1973. By the time he got a rematch with Frazier on ...

George Foreman dies at 76: A look at the legend's five most memorable fights, from Joe Frazier to Muhammad Ali Foreman left an incredible legacy in the boxing ring that includes some of the most ...

Of course, they never met and Ali’s October KO over Foreman in Africa restructured the heavyweight division, making title shots for both Frazier and Norton realities over the following two years.

“On any given night all of us could beat the other,” George Foreman said. “I had Ken Norton’s number and Joe Frazier’s number. Ali had my number, and Norton had Ali’s number.

Former two-time world champion and 1968 Olympic gold medalist Foreman, whose unforgettable fights with Muhammad Ali, Joe Frazier, Ken Norton and Ron Lyle authored treasured chapters in heavyweight ...

And if Foreman’s knockout of Frazier wasn’t the biggest upset of 1973, then that designation had to go to Norton’s jaw-busting split-decision win over Muhammad Ali that March.

Of course, Frazier knew something Ali didn’t — that Norton was a formidable foe, his development no doubt accelerated by a $400-a-week gig as a sparring partner for Frazier in Philadelphia.

''On any given night all of us could beat the other,'' George Foreman said. ''I had Ken Norton's number and Joe Frazier's number. Ali had my number, and Norton had Ali's number. No one would give ...